Bluetooth Speaker Experience
I spent the last week or so trying to get this to work. Finally had a break-thru the other day and finally got it to work last night. It seems to be a few issues with the bluetooth.conf file missing some settings.
Devices: Bluetooth Dongle IOGear GBU521W6 TV Sound Bar There were 3 issues I encountered, this may help others: 1) driver error: bluetooth hci0: Direct firmware load for brcm/BCM20702A1-0a5c-21e8.hcd failed with error -2 Solved by downloading driver fw-0a5c_21e8.hcd then renaming it to the missing file into /lib/firmware/brcm url to explain it http://plugable.com/2014/06/23/pluga...ssues-on-linux 2) When I tried to run the blueman-applet and manager, the script would blow out with AccessDenied. However, I could run them as root. Fix: add myself to wheel group, and change the bluetooth.conf owner from user='root' to group='wheel'. Now DBUS works and the applet and manager now load for user when X starts. 3) Although it was loading, the speakers would still not connect. When you'd try, you would get a connect yes/no/yes/no response. Running a dump showed some type of Auth issue, although auth was disabled due a prior error message "Invalid exchange". Fix: found missing auth options in the bluetooth.conf For policy group=wheel (former user=root) section, these are needed: <allow send_interface="org.bluez.PasskeyAgent"/> <allow receive_interface="org.bluez.PasskeyAgent"/> For the at_console section, there were several added that made it work. The main one seems to be the method_call. <allow send_type="method_call"/> <allow send_destination="org.bluez.Manager"/> <allow receive_sender="org.bluez.Manager"/> <allow send_path="/org/bluez"/> <allow send_destination="org.bluez.Adapter"/> <allow receive_sender="org.bluez.Adapter"/> <allow send_destination="org.bluez.Service"/> <allow receive_sender="org.bluez.Service"/> <allow send_destination="org.bluez.Database"/> <allow receive_sender="org.bluez.Database"/> <allow send_destination="org.bluez.Security"/> <allow receive_sender="org.bluez.Security"/> <allow send_destination="org.bluez"/> <allow receive_sender="org.bluez"/> After doing that, I rebooted. Then I removed the discovered devices, and then I started bluetoolctl, issued scan on, then pressed the bluetooth button on the sound bar. I heard the tone and saw the device appear, but this time I was asked "Do you authorize connecting? yes/no", I entered yes and the sound bar was now connected. Now I can toggle the Sound Bar on and play music from the laptop to the TV. It works nice. :) Although the above now works flawlessly, does any one see any issue with the config changes. Hopefully this will help others. Regards |
My problem with Bluetooth devices is with iPhones etc. on the street -- the quality tends to be quite bad. I live in New York so there's literally millions of people walking and driving around with such devices and I think they interfere with each other and that causes the problem.
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FWIW, my Bluetooth headphones worked out of the box.
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